/*
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 * and open the template in the editor.
 */
package Servlets;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.tanesha.recaptcha.ReCaptchaResponse;
import net.tanesha.recaptcha.ReCaptchaImpl;

/**
 *
 * @author Don
 */
public class ServletLogIn extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException{
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        
        String remoteAddr = request.getRemoteAddr();
        ReCaptchaImpl reCaptcha = new ReCaptchaImpl();
        reCaptcha.setPrivateKey("6LfdCc4SAAAAAI4p64kJ91fJl4NHEFMULd1ZP4QS");

        String challenge = request.getParameter("recaptcha_challenge_field");
        String uresponse = request.getParameter("recaptcha_response_field");
        ReCaptchaResponse reCaptchaResponse = reCaptcha.checkAnswer(remoteAddr, challenge, uresponse);

        if (reCaptchaResponse.isValid()) {
            try {
            String username;
            String password;
       
            username = request.getParameter("username");
            password = request.getParameter("password");

            //Assuming we have a function that checks the user credentials
            boolean checker = new CustomerManager().checkCustomer(username, password);

            
            if(checker == true)
                response.sendRedirect("generic_home.jsp");
            else
                response.sendRedirect("generic_login.jsp");
            
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet ServletLogIn</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet ServletLogIn at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
        } finally 
        {            
            out.close();
        }
          
        } 
        else 
        {
         response.sendRedirect("generic_login.jsp");
        }
        
        
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
